84152500

素因数分解:

$2^2\times 5^4\times {\mathrm{41}}^1\times {\mathrm{821}}^1$

素因数の和:886

約数の個数: 60

約数和(自身を含む): 188742708

約数和(自身を除く): 104590208

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 125, 164, 205, 250, 410, 500, 625, 820, 821, 1025, 1250, 1642, 2050, 2500, 3284, 4100, 4105, 5125, 8210, 10250, 16420, 20500, 20525, 25625, 33661, 41050, 51250, 67322, 82100, 102500, 102625, 134644, 168305, 205250, 336610, 410500, 513125, 673220, 841525, 1026250, 1683050, 2052500, 3366100, 4207625, 8415250, 16830500, 21038125, 42076250, 84152500]

約数ペア:

[(1, 84152500), (2, 42076250), (4, 21038125), (5, 16830500), (10, 8415250), (20, 4207625), (25, 3366100), (41, 2052500), (50, 1683050), (82, 1026250), (100, 841525), (125, 673220), (164, 513125), (205, 410500), (250, 336610), (410, 205250), (500, 168305), (625, 134644), (820, 102625), (821, 102500), (1025, 82100), (1250, 67322), (1642, 51250), (2050, 41050), (2500, 33661), (3284, 25625), (4100, 20525), (4105, 20500), (5125, 16420), (8210, 10250)]